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pogonyaev
3 years ago
12

A population of beetles are growing according to a linear growth model. The initial population (week 0) is P0=9, and the populat

ion after 7 weeks is P7=37.
Find an explicit formula for the beetle population after n weeks.


After how many weeks will the beetle population reach 93?
Mathematics
1 answer:
Marat540 [252]3 years ago
5 0

Answer:

y = 4x + 9

week 21

Step-by-step explanation:

first I did 37-9 and got 28 I divide that by 7 ( seven weeks) and got 4 so I know the slope is 4.

so to find how many weeks till 93 I did; 93 = 4x + 9. We have to get x by its self so I minus 9 by both sides and got 84 = 4x. So now we divid both sides by 4 to get x by its self and we end up with 21 = x

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